From 30634165980deaeead9f4e71e0ff6a5c9d897776 Mon Sep 17 00:00:00 2001 From: Ian Moffett Date: Mon, 14 Jul 2025 22:39:34 -0400 Subject: usr: libc: Add math.h + musl math impl port Signed-off-by: Ian Moffett --- lib/libc/src/musl-math/fabs.c | 9 +++++++++ 1 file changed, 9 insertions(+) create mode 100644 lib/libc/src/musl-math/fabs.c (limited to 'lib/libc/src/musl-math/fabs.c') diff --git a/lib/libc/src/musl-math/fabs.c b/lib/libc/src/musl-math/fabs.c new file mode 100644 index 0000000..e8258cf --- /dev/null +++ b/lib/libc/src/musl-math/fabs.c @@ -0,0 +1,9 @@ +#include +#include + +double fabs(double x) +{ + union {double f; uint64_t i;} u = {x}; + u.i &= -1ULL/2; + return u.f; +} -- cgit v1.2.3